Hair dryer



FIG. 1 is a front perspective view of a hair dryer showing our new design;

FIG. 2 is a side perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the drawing are for illustrative purposes only and form no part of the claimed design. 

CLAIM We claim the ornamental design for a hair dryer, as shown and described. 